Shower control escutcheon



FIG. 1 is a front perspective view of a shower control escutcheon showing my design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a side elevational view thereof.

The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a shower control escutcheon, as shown and described. 